Báo cáo hóa học: " Research Article Efficient Uplink Modeling for Dynamic System-Level Simulations of Cellular and Mobile Networks" ppt

... Communications and Networking Volume 2010, Article ID 282465, 15 pages doi:10.1155/2010/282465 Research Article Efficient Uplink Modeling for Dynamic System-Level Simulations of Cellular and Mobile Networks Ingo ... havetocoveraverylong(real-) time and which at the same time require a certain level of accuracy in terms of radio resource management, quality...

Ngày tải lên: 21/06/2014, 11:20

... uniformly distributed between 0 and max speed and then pauses for a configured time, before selecting another random location and repeating the process. The mobile nodes pause time has value of ... outperforms other methods in terms of rekeying performances, computation and communication costs, and overhead. Importantly, the proposed schemes are efficient and scalable for n...

Ngày tải lên: 21/06/2014, 11:20

... revises the packet formats of the CTS and PLCP header in DATA. Figure 2 shows the packet format of CTS and Figure 3 shows that of DATA. The “Rate” subfield in the CTS PLCP Header of IEEE 802.11a ... Ricean fading broadband channel model. All of the stations except for the AP are randomly distributed in a circular area with a diameter of 100 meters and move randomly at a spe...

Ngày tải lên: 21/06/2014, 17:20

... Based on (12 )and( 15), the optimum L value depends on M, N, ρ and K.Fora system with specific number of Tx and Rx antennas, L can be evaluated for different values of ρ and K beforehand and stored ... Abramowitz and I. A. Stegun, Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, Dover, New York, USA, 1972. [33] A. Edelman, Eigenvalues and...

Ngày tải lên: 21/06/2014, 17:20

... increasing noise of traveling time. When the standard deviation increases to 70% of the mean value, the accuracy of forward exact and appr.II inference drops to 65.68% and 65.12% and that of the backward ... number of objects of interest and |·|indicates the number of elements in a set. The term Y k indicates the “ground truth” set of observations of object k,andY k...

Ngày tải lên: 21/06/2014, 05:20

... such as random delay line modulation and a series of “pre-echoes” before each of Table 2: Multiplications required (per sample period at full f s )for effect structure, broken into sections and shown ... 2011, Article ID 646134, 8 pages doi:10.1155/2011/646134 Research Article Efficient Dispersion Generation Structures for Spring Reverb Emulation Julian Parker Department of...

Ngày tải lên: 21/06/2014, 05:20

... Processing Volume 2010, Article ID 106562, 14 pages doi:10.1155/2010/106562 Research Article Efficient Compensation of Transmitter and Receiver IQ ImbalanceinOFDMSystems Deepaknath Tandur and Marc Moonen ... 10 pages, 2007. [20] D. Tandur, C Y. Lee, and M. Moonen, “Efficient compensa- tion of RF impairments for OFDM systems,” in Proceedings of the IEEE Wireless Communicatio...

Ngày tải lên: 21/06/2014, 08:20

... Communications and Networking Volume 2011, Article ID 935457, 11 pages doi:10.1155/2011/935457 Research Article Efficient Public Key Certificate Management for Mobile Ad Hoc Networks P. Caballero-Gil and ... nodes of u that are the only neighbour of some two-hop neighbours of u ,and add them to MPR(u). Step 3. Add to MPR(u) the neighbour node of u that covers the larges...

Ngày tải lên: 21/06/2014, 11:20

... packet before forwarding it. We modify Definition 1 and get a new definition of the desirableness factor for HH-VBF. Definition 3. For a candidate forwarder F, the HH-VBF desirableness factor, α  ,ofanodeA,isdefinedas α  = ( R −d ... Journal on Wireless Communications and Networking Volume 2010, Article ID 195910, 13 pages doi:10.1155/2010/195910 Research Article Efficient Vect...

Ngày tải lên: 21/06/2014, 17:20

... keep track of how many elements are pending processing in each of the West, North, East, South, and Centre queues. There are five MCs for Q1 and another five for Q2, one counter for each of the queue ... Figure 8(a). For an image of size y-rows and x-columns, the number of bits required for addressing will simply be the number of bits required to store the largest va...

Ngày tải lên: 21/06/2014, 20:20